ZFS feature compatibility?

[Toomas Soome]

> On 25. Jan 2021, at 21:31, Michael Butler via freebsd-current <freebsd-current at freebsd.org> wrote:
> 
> I have a few machines on which I've been hesitant to run 'zpool upgrade' as I'm not sure of the (boot?) implications. They report like this ..
> 
> imb at toshi:/home/imb> uname -a
> FreeBSD toshi.auburn.protected-networks.net 14.0-CURRENT FreeBSD 14.0-CURRENT #25 main-eb61de5b78: Fri Jan 22 10:03:02 EST 2021 root at toshi.auburn.protected-networks.net:/usr/obj/usr/src/amd64.amd64/sys/TOSHI  amd64
> 
> imb at toshi:/home/imb> zpool status
>  pool: zroot
> state: ONLINE
> status: Some supported features are not enabled on the pool. The pool can
>        still be used, but some features are unavailable.
> action: Enable all features using 'zpool upgrade'. Once this is done,
>        the pool may no longer be accessible by software that does not support
>        the features. See zpool-features(5) for details.
> 
> Is it safe to upgrade the root pool?
> 
> 	imb

We can not boot from encrypted pool and draid. Rest is all ok. Please note, you may need to update the bootblocks.

rgds,
toomas